Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack) vs RYOBI ONE+ 18V Lithium-Ion Starter High Performance Kit with 2.0 Ah Battery, 4.0 Ah Battery, and Charger
Head-to-head spec comparison to help you pick the right battery for your needs.
Deciding between a genuine pack and a cheaper aftermarket one? Read our honest genuine vs aftermarket batteries guide.Read the guide →
Spec Winner
Wins on 3 of 5 spec categories
Spec-by-Spec Comparison
| Spec | Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack) | RYOBI ONE+ 18V Lithium-Ion Starter High Performance Kit with 2.0 Ah Battery, 4.0 Ah Battery, and Charger |
|---|---|---|
| Platform | M18 | ONE+ 18V |
| Voltage | 18V | 18V |
| Capacity | 5 Ah | 0 Ah |
| Type | high-output | kit |
| Genuine OEM | No | Yes |
| Fuel Gauge | No | No |
| Warranty | 0 years | 3 years |
| Price | $57.99 | $97 |
| Rating | 6.8/10 | 8.6/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack)
Pros
- Two 5.0Ah packs for close to the price of one genuine Milwaukee M18 battery
- Seller claims compatibility with several Milwaukee M18 battery model numbers
- Higher combined capacity per dollar than a single genuine M18 pack
Cons
- Third-party replacement pack, NOT covered by Milwaukee's tool warranty — any tool damage or safety issue is between you and the third-party seller, not Milwaukee
- Buyer must independently verify voltage and platform fit against their specific M18 tool before use
- A working buying link is not proof of safety, cell quality, or real-world performance — we have not tested this pack
- No manufacturer-backed warranty; seller return policies vary and are not guaranteed
RYOBI ONE+ 18V Lithium-Ion Starter High Performance Kit with 2.0 Ah Battery, 4.0 Ah Battery, and Charger
Pros
- Includes two batteries — a compact 2.0Ah pack and a higher-capacity 4.0Ah pack — plus a charger, all genuine Ryobi
- Two different pack sizes cover both lightweight/compact use and longer-runtime use from one purchase
- Good value for a two-battery-plus-charger bundle at under $100
Cons
- Currently showing low stock on Amazon
- Because it bundles two different-capacity batteries, we don't collapse that into one capacity number — check the listing for the exact 2.0Ah/4.0Ah split
- We haven't run our own runtime tests; capacities are Ryobi's stated ratings
Our Verdicts
Epowon 5.0Ah Replacement Battery for Milwaukee M18 (2-Pack)
Genuine Milwaukee M18 packs are the safe default; this Epowon 2-pack is a lower-cost aftermarket alternative, but it carries no Milwaukee warranty and buyers must verify fit themselves before trusting it in an M18 tool.
RYOBI ONE+ 18V Lithium-Ion Starter High Performance Kit with 2.0 Ah Battery, 4.0 Ah Battery, and Charger
A genuine Ryobi kit that pairs a compact 2.0Ah pack with a higher-capacity 4.0Ah pack and one charger — solid value for ONE+ owners who want both a light pack and a runtime pack.
RYOBI ONE+ 18V Lithium-Ion Starter High Performance Kit with 2.0 Ah Battery, 4.0 Ah Battery, and Charger
$97
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